<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class='icon-img-content' :src="item.imgUrl"/>
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props : {
        list : Array
    },
    data () {
        return {
            swiperOption: {
                autoplay : false
            }
        }
    },
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item, index) => {
                const page = Math.floor(index / 8)
                if(!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height : 0
        padding-bottom : 50%
    .icons
        margin-top : .1rem
        .icon
            position : relative
            overflow : hidden
            float: left
            width : 25%
            height : 0
            padding-bottom : 25%
            .icon-img
                position: absolute
                top : 0
                left : 0
                right : 0
                bottom : .44rem
                .icon-img-content
                    display : block
                    margin : 0 auto
                    height : 100%
            .icon-desc
                position : absolute
                left : 0
                right : 0
                bottom : 0
                height : .44rem
                line-height : .44rem
                color : $darkTextColor
                text-align : center
                ellipsis()
</style>